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Submission #655727

# Submission time Handle Problem Language Result Execution time Memory
655727 2022-11-05T11:44:45 Z benjaminkleyn Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 98 ms 7500 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int N, Q;
ll S, T, A[300001], D[300000];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> N >> Q >> S >> T;
    cin >> A[0];
    for (int i = 0; i < N; i++)
    {
        cin >> A[i + 1];
        D[i] = A[i + 1] - A[i];
    }

    ll res = 0;
    for (int i = 0; i < N; i++)
        res += max(0LL, -D[i]) * T - max(0LL, D[i]) * S;

    int L, R;
    ll x;
    while (Q--)
    {
        cin >> L >> R >> x;

        res -= max(0LL, -D[L-1]) * T - max(0LL, D[L-1]) * S;
        if (R != N)
            res -= max(0LL, -D[R]) * T - max(0LL, D[R]) * S;

        D[R] -= x;
        D[L-1] += x;

        res += max(0LL, -D[L-1]) * T - max(0LL, D[L-1]) * S;
        if (R != N)
            res += max(0LL, -D[R]) * T - max(0LL, D[R]) * S;

        cout << res << '\n';
    }
    
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 400 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 264 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 4984 KB Output is correct
2 Correct 98 ms 5580 KB Output is correct
3 Correct 92 ms 6220 KB Output is correct
4 Correct 82 ms 5452 KB Output is correct
5 Correct 91 ms 6240 KB Output is correct
6 Correct 78 ms 6620 KB Output is correct
7 Correct 85 ms 6556 KB Output is correct
8 Correct 96 ms 6604 KB Output is correct
9 Correct 95 ms 6892 KB Output is correct
10 Correct 88 ms 5640 KB Output is correct
11 Correct 73 ms 6708 KB Output is correct
12 Correct 78 ms 7016 KB Output is correct
13 Correct 76 ms 7500 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 400 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 264 KB Output is correct
22 Correct 87 ms 4984 KB Output is correct
23 Correct 98 ms 5580 KB Output is correct
24 Correct 92 ms 6220 KB Output is correct
25 Correct 82 ms 5452 KB Output is correct
26 Correct 91 ms 6240 KB Output is correct
27 Correct 78 ms 6620 KB Output is correct
28 Correct 85 ms 6556 KB Output is correct
29 Correct 96 ms 6604 KB Output is correct
30 Correct 95 ms 6892 KB Output is correct
31 Correct 88 ms 5640 KB Output is correct
32 Correct 73 ms 6708 KB Output is correct
33 Correct 78 ms 7016 KB Output is correct
34 Correct 76 ms 7500 KB Output is correct
35 Correct 90 ms 5160 KB Output is correct
36 Correct 92 ms 6660 KB Output is correct
37 Correct 97 ms 7488 KB Output is correct
38 Correct 92 ms 7188 KB Output is correct
39 Correct 90 ms 7236 KB Output is correct
40 Correct 97 ms 7284 KB Output is correct
41 Correct 93 ms 7116 KB Output is correct
42 Correct 98 ms 7200 KB Output is correct
43 Correct 89 ms 6424 KB Output is correct
44 Correct 95 ms 6988 KB Output is correct
45 Correct 85 ms 6660 KB Output is correct
46 Correct 92 ms 7340 KB Output is correct
47 Correct 82 ms 7244 KB Output is correct
48 Correct 84 ms 7416 KB Output is correct
49 Correct 76 ms 6396 KB Output is correct
50 Correct 73 ms 7168 KB Output is correct
51 Correct 81 ms 7244 KB Output is correct
52 Correct 79 ms 7244 KB Output is correct